WO2019015590A1 - Transmission method and device thereof - Google Patents

Abstract

Embodiments of the present application disclose a transmission method and a device thereof. The method comprises the following steps: a terminal device performing idle state sensing on one or more candidate transmission frequency domain resources, the candidate transmission frequency domain resources being for PUCCH information transmission; the terminal device determining, according to a sensing result of the candidate transmission frequency domain resources, a transmission frequency domain resource for PUCCH information transmission; and the terminal device transmitting PUCCH information via the determined transmission frequency domain resource. In the embodiments of the present application, unlicensed spectrum can be employed to perform uplink transmission, improving transmission efficiency.

Description

Transmission method and device thereof

The present application claims priority to Chinese Patent Application No. JP-A No. No. No. No. No. No. No. No. No. No. No. No. No. No. No. No. .

Technical field

The present application relates to the field of field communication technologies, and in particular, to a transmission method and apparatus thereof.

Background technique

In order to promote the development of wireless broadband, a large number of unlicensed spectrum resources are opened worldwide. If these free and free unlicensed spectrum resources can be effectively utilized, the pressure on spectrum resources can be greatly alleviated. For operators, if the working frequency band of long term evolution (LTE) technology is extended to resource-rich and free unlicensed frequency bands, it is expected to significantly reduce the acquisition cost of spectrum resources, effectively divert network load, and reduce network expansion pressure.

Since there is only one set of wireless systems in each frequency band in the licensed spectrum, other types of communication systems cannot use the licensed spectrum. Therefore, the problem of spectrum competition between different systems is not considered, and communication between users can be greatly guaranteed. Another type of wireless communication system represented by the 802.11 system works on the unlicensed spectrum, that is, the frequency band is not exclusive to the 802.11 system, and other communication systems can also use the unlicensed spectrum. Therefore, the communication on the unlicensed spectrum needs to consider the spectrum competition and fairness between different systems, and the communication mechanism and the licensed spectrum are very different.

In the research of the fifth-generation mobile communication (5th-generation, 5G) system, new wireless transmission technology and new architecture are introduced to further explore new spectrum resources, so that 5G systems will be in resource utilization rate, system throughput rate and The spectrum resources are completely beyond the LTE system. How to use the unlicensed spectrum for uplink transmission in 5G systems is an urgent problem to be solved.

Summary of the invention

The technical problem to be solved by the embodiments of the present application is to provide a transmission method and a device thereof, which can implement uplink transmission by using an unlicensed spectrum, and can improve transmission efficiency.

In a first aspect, an embodiment of the present application provides a transmission method, including:

Step 1: The terminal device performs idle state listening on one or more candidate transmission frequency domain resources, and the candidate transmission frequency domain resource is used for PUCCH information transmission;

Step 2: The terminal device determines a transmission frequency domain resource used for PUCCH information transmission according to the interception result of the candidate transmission frequency domain resource.

Step 3: The terminal device transmits PUCCH information through the determined transmission frequency domain resource.

In a second aspect, an embodiment of the present application provides a terminal device, including a unit or a means for performing the foregoing steps of the first aspect.

In a third aspect, an embodiment of the present application provides a terminal device, including at least one processing element and at least one storage element, wherein the at least one storage element is used to store a program and data, and the at least one processing element is used to execute the application. The first aspect provides a method.

In a fourth aspect, an embodiment of the present application provides a terminal device, including at least one processing element (or chip) for performing the method of the above first aspect.

In a fifth aspect, an embodiment of the present application provides a program, when executed by a processor, for performing the method of the above first aspect.

In a sixth aspect, an embodiment of the present application provides a program product, such as a computer readable storage medium, including the program of the fifth aspect.

It can be seen that, in the above aspects, the transmission frequency domain resource used for PUCCH information transmission is determined by the terminal device performing idle state listening on one or more candidate transmission frequency domain resources, and one or more candidate transmission frequency domain resources may be non- The frequency domain resources are authorized, so that uplink transmission using the unlicensed spectrum can be realized, and the transmission efficiency can be improved.

In a possible implementation manner, one or more candidate transmission frequency domain resources may be embodied in the form of a set, that is, one candidate transmission frequency domain resource set includes one or more candidate transmission frequency domain resources.

In a possible implementation manner, the terminal device further performs the step of determining one or more candidate transmission frequency domain resources before performing step 1, and facilitating the terminal device in the case of determining one or more candidate transmission frequency domain resources. Idle state listening for one or more candidate transmission frequency domain resources.

In a possible implementation, the terminal device receives PUCCH resource configuration information from the network device, where the PUCCH resource configuration information is used to indicate one or more candidate transmission frequency domain resources, and the terminal device determines one or more candidates according to the PUCCH resource configuration information. The transmission of the frequency domain resource is a simple, intuitive, and convenient way for the network device to directly indicate one or more candidate transmission frequency domain resources through the PUCCH resource configuration information.

In a possible implementation, the PUCCH resource configuration information is carried in the downlink control information, that is, the network device indicates one or more candidate transmission frequency domain resources to the terminal device by using the downlink control information.

In a possible implementation manner, the PUCCH resource configuration information is used to indicate location information of the candidate transmission frequency domain resource, in addition to indicating one or more candidate transmission frequency domain resources.

In a possible implementation manner, the terminal device acquires a downlink transmission resource, and determines one or more candidate transmission frequency domain resources according to the downlink transmission resource, where the terminal device and the network device store the downlink transmission resource and the candidate transmission frequency domain resource set. Corresponding relationship, that is, different downlink transmission resources may correspond to different candidate transmission frequency domain resource sets, and when the terminal equipment acquires downlink transmission resources, the terminal device determines candidates according to the correspondence between the downlink transmission resources and the candidate transmission frequency domain resource sets. The transmission of the frequency domain resource set, that is, the determination of one or more candidate transmission frequency domain resources, is a manner in which the network device indirectly indicates one or more candidate transmission frequency domain resources by using the downlink transmission resource, without adding additional indication overhead.

In a possible implementation manner, if the terminal device detects that a candidate transmission frequency domain resource is in an idle state, the candidate transmission frequency domain resource is determined as a transmission frequency domain resource used for PUCCH information transmission.

In a possible implementation manner, if the terminal device detects that at least two candidate transmission frequency domain resources are in an idle state, selecting one candidate transmission frequency domain resource from the at least two candidate transmission frequency domain resources according to the identifier of the terminal device. And selecting the selected candidate transmission frequency domain resource as the transmission frequency domain resource for PUCCH information transmission. For example, the number of candidate transmission frequency domain resources in an idle state is used to modulo the identity of the terminal device to select one candidate transmission frequency domain resource.

In a possible implementation manner, if the terminal device detects that at least two candidate transmission frequency domain resources are idle, randomly select one candidate transmission frequency domain resource from at least two candidate transmission frequency domain resources, and select This candidate transmission frequency domain resource is determined to be a transmission frequency domain resource for PUCCH information transmission.

In a possible implementation manner, the terminal device determines all the idle transmission candidate frequency domain resources as the transmission frequency domain resources for PUCCH information transmission. Assume that there are two candidate transmission frequency domain resources in an idle state, and the terminal device transmits PUCCH information on the two candidate transmission frequency domain resources, so that for the network device, it is not necessary to perform blind detection, directly in the two candidates. The PUCCH information is combined and received on the transmission frequency domain resource.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the background art, the drawings to be used in the embodiments of the present application or the background art will be described below.

1 is a schematic diagram of a network architecture to which an embodiment of the present application is applied;

2 is a schematic diagram of an enhanced licensed spectrum assisted access technology;

3 is a schematic diagram of a physical uplink control channel in a frequency domain;

4 is a schematic flowchart of a transmission method according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a configuration example provided by an embodiment of the present application;

FIG. 6 is a diagram showing another configuration example provided by an embodiment of the present application;

FIG. 7 is a schematic flowchart diagram of another transmission method provided by an embodiment of the present application;

8 is a schematic flowchart of still another transmission method provided by an embodiment of the present application;

9 is a simplified schematic diagram 1 of an apparatus provided by an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure;

Figure 11 is a simplified schematic diagram 2 of the device provided by the embodiment of the present application;

FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present application.

Detailed ways

Hereinafter, some of the terms in the present application will be explained to be understood by those skilled in the art.

1) Terminal equipment, also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc., is a kind of voice and/or data connectivity provided to users. Devices, for example, handheld devices with wireless connectivity, in-vehicle devices, and the like. Currently, some examples of terminals are: mobile phones, tablets, laptops, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality. (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, smart grid Wireless terminals, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, and the like.

2) A radio access network (RAN) is a part of a network that connects a terminal to a wireless network. A RAN node (or device) is a node (or device) in a radio access network, which may also be referred to as a base station. Currently, some examples of RAN nodes are: gNB, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), and Node B (Node). B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit , BBU), station (station, STA), wireless fidelity (Wifi) or access point (AP). In addition, in a network structure, the RAN may include a centralized unit (CU) node and a distributed unit (DU) node. This structure separates the protocol layer of the eNB in the long term evolution (LTE) system, and the functions of some protocol layers are centrally controlled in the CU, and the functions of the remaining part or all of the protocol layers are distributed in the DU by the CU. Centrally control the DU.

3) "Multiple" means two or more, and other quantifiers are similar. "and/or" describes the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately. The character "/" generally indicates that the contextual object is an "or" relationship.

FIG. 1 is a schematic diagram of a network architecture applied to an embodiment of the present application. The network architecture may be a network architecture of a wireless communication system, and may include a terminal device and a network device. It should be noted that the number and the configuration of the terminal device and the network device shown in FIG. 1 do not constitute a limitation on the embodiment of the present application. In an actual application, one network device may connect multiple terminal devices. The network device can be connected to a core network device, which is not shown in FIG. The network device may be a base station, and the base station may include a baseband unit (BBU) and a remote radio unit (RRU). The BBU and the RRU can be placed in different places, for example, the RRU is pulled away, placed in an open area from high traffic, and the BBU is placed in the central computer room. BBUs and RRUs can also be placed in the same room. The BBU and RRU can also be different parts under one rack.

It should be noted that the wireless communication system mentioned in the embodiments of the present application includes, but is not limited to, a narrow band-internet of things (NB-IoT), and a global system for mobile communications (GSM). Enhanced data rate for GSM evolution (EDGE), wideband code division multiple access (WCDMA), code division multiple access (CDMA2000), Time division-synchronization code division multiple access (TD-SCDMA), long term evolution (LTE), fifth generation mobile communication system, and future mobile communication system.

In the embodiment of the present application, the network device is a device deployed in a radio access network to provide a wireless communication function for a user equipment. The network device may include various forms of macro base stations, micro base stations (also referred to as small stations), relay stations, access points, TRPs, and the like. In systems using different radio access technologies, the names of devices with base station functions may be different, for example, in LTE systems, called eNBs or eNodeBs, in third-generation (3rd generation, 3G) systems. , called NB and so on. For convenience of description, in all embodiments of the present application, the foregoing devices for providing wireless communication functions to user equipment are collectively referred to as network devices.

The terminal devices involved in the embodiments of the present application may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem. For convenience of description, in all embodiments of the present application, user equipments connected to network devices are collectively referred to as terminal devices.

The network device transmits downlink data to the terminal device, wherein the data is encoded by channel coding, and the channel-encoded data is transmitted to the terminal device after being constellation modulated; the terminal device transmits uplink data to the network device, and the uplink data may also adopt channel coding progressive coding. The encoded data is modulated by the constellation and transmitted to the network device.

In the research of 5G systems, new wireless transmission technologies and new architectures are introduced to further explore new spectrum resources, so that 5G systems will surpass LTE systems in terms of resource utilization, system throughput and spectrum resources. How to use the unlicensed spectrum for uplink transmission in 5G systems is an urgent problem to be solved.

Enhanced licensed-assisted access (eLAA) is an implementation of introducing an LTE system into an unlicensed spectrum. The eLAA uses carrier aggregation (CA) to implement channel bonding between the primary and secondary cells, as shown in Figure 2. The primary cell (Pcel) l works in the licensed frequency band to transmit key messages and services that require quality of service. The secondary cell (Scell) works in the unlicensed frequency band to improve the performance of the actual data plane. The secondary cell can support both uplink and downlink.

In the eLAA technology, the physical uplink control channel (PUCCH) is transmitted only on the Pcell, that is, on the licensed spectrum (or the licensed frequency band), and is usually configured to be located in the uplink system bandwidth in the frequency domain. The edge is shown in Figure 3. A PUCCH occupies two slots in one uplink subframe, and each slot occupies 12 subcarriers in the frequency domain, that is, one resource block (RB). In the same sub-frame, the physical resource blocks (PRBs) of the two slots before and after the PUCCH are respectively located at the two ends of the available spectrum resources.

In order to utilize resources efficiently, multiple UEs in the same cell may share the same RB pair to transmit their respective PUCCHs. This is achieved by orthogonal code division multiplexing (CDM): using cyclic shifts in the frequency domain or using orthogonal sequences in the time domain. Different PUCCH formats may use different CDM technologies.

One possible scenario in 5G is an unlicensed band independent networking, ie no licensed band is used, and all control and data signals are transmitted in unlicensed bands. Unlicensed spectrum may exist from different systems, such as Bluetooth or wireless local area networks (WLAN). Therefore, the station that transmits data must first listen to talk (LBT), that is, whether the channel is to be Idle to listen to determine if there are other sites transmitting data. If the channel is idle, the site can transmit data; otherwise, the site will evade for a while before trying. Therefore, there is a possibility that the PUCCH cannot be transmitted because the channel is not idle. In addition, since there are currently large available bandwidths in unlicensed bands, such as 80/160 MHz bandwidth, when multiple 20 MHz bandwidths are used for CA to implement unlicensed spectrum large bandwidth data transmission, the actual transmission per transmission due to the existence of LBT The bandwidth will be flexible. If the PUCCH is transmitted only on the Pcell, if the LBT of the Pcell does not pass, the UE cannot report the PUCCH even if the LBT of other Scells passes, resulting in an increase in system delay and a decrease in transmission efficiency.

In view of this, the embodiment of the present application provides a transmission method and an apparatus thereof, which can implement uplink transmission by using an unlicensed spectrum, and can improve transmission efficiency.

The transmission method and the device provided by the embodiment of the present invention can be applied to a scenario in which an unlicensed band network device communicates with a terminal device in a communication system such as a 5G, and can be applied to an unlicensed band independent networking scenario.

The transmission frequency domain resource involved in the embodiment of the present application is used for uplink transmission of PUCCH information by the terminal device, and may be an activated uplink bandwidth part (BWP), or may be other words used to describe the uplink transmission PUCCH, for description. Conveniently, in the embodiment of the present application, the transmission frequency domain resource is introduced by taking the BWP as an example.

The BWP is composed of a group of consecutive PRBs, and may be a subband of a single wideband carrier or a component carrier (CC) bandwidth in carrier aggregation (CA). A subband may correspond to one or more carriers, or correspond to a partial subcarrier or a partial resource block on one carrier. The basic unit of the BWP may be 20 MHz, 40 MHz, 60 MHz, 80 MHz, etc., which is not limited in the embodiment of the present application.

The network device may configure m(m>=1) BWPs for the terminal device and select to activate n(n<=m) BWPs for a period of time. The BWP configuration of each terminal device may be the same or different in different implementation manners, which is not limited in this application.

The transmission method provided by the embodiment of the present application will be described in detail below with reference to FIG.

FIG. 4 is a schematic flowchart of a transmission method according to an embodiment of the present application. The method is introduced from the perspective of a terminal device, and the method may include, but is not limited to:

Step S401: Perform idle state listening on one or more candidate transmission frequency domain resources, where the candidate transmission frequency domain resources are used for PUCCH information transmission;

The PUCCH information may be an acknowledgment (ACK) or a non-acknowledge (NACK), and may be used to feed back a hybrid automatic repeat request (HARQ) sent by the network device; Information of a scheduling request (SR); may also be information carrying channel state information (CSI); or may be information carrying other content. The PUCCH information may also be carried in the ACK/NACK, the SR, the CSI, or other content. The content of the specific PUCCH information is not limited in the embodiment of the present application. For convenience, the embodiment of the present application introduces the ACK/NACK of the PUCCH information as an example.

The one or more candidate transmission frequency domain resources may be embodied in the form of a set, that is, one candidate transmission frequency domain resource set includes one or more candidate transmission frequency domain resources. The network device may be configured with the same or different candidate transmission frequency domain resources for different terminal devices, which is not limited in the embodiment of the present application.

The candidate transmission frequency domain resource set may be a transmission frequency domain resource originally configured by the network device. For example, the network device initially configures m BWPs (m≥1, positive integer) for the terminal device; or the network device may be in a certain period of time. Selecting the activated transmission frequency domain resource, for example, selecting the activated n BWPs (1≤n≤m); or one or more subbands within one BWP, for example, the network device configures the terminal device with an 80MHz BWP, The candidate transmission frequency domain resource set may include four 20 MHz subbands.

Specifically, the terminal device performs idle state listening on each candidate transmission frequency domain resource, that is, which BWPs are in an idle state, can perform data transmission, and which BWPs are in an occupied state, and cannot perform data transmission.

In an embodiment, the terminal device performs an idle state listening for each candidate transmission frequency domain resource by using an LBT. If a candidate transmission frequency domain resource passes the LBT, it may be determined that the candidate transmission frequency domain is in an idle state. In another embodiment, the terminal device may perform idle state listening on each candidate transmission frequency domain resource in other manners. The specific implementation manner of the LBT is not limited in the embodiment of the present application, and the specific implementation manner of the LBT is not limited in the embodiment of the present application.

Determining one or more candidate transmission frequency domain resources before the terminal device performs idle state listening on one or more candidate transmission frequency domain resources.

In a possible implementation manner, the terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the PUCCH resource configuration information.

The network device allocates indication information of one or more candidate transmission frequency domain resources in the PUCCH resource configuration, and is used to indicate one or more candidate transmission frequency domain resources. The indication information may be directly indicating one or more candidate transmission frequency domain resources, for example, indicating an identifier of one or more BWPs, and then indicating, for example, an identifier of the BWP set, and the terminal device may identify the correspondence between the BWP and the included BWP by the set identifier. One or more candidate transmission frequency domain resources may be determined. The indication information may also be an indirect indication of one or more candidate transmission frequency domain resources.

For example, the system bandwidth of the network device is 80 MHz, and four terminal devices (UEs) are respectively scheduled, and each UE is configured with four activated uplink BWPs, and each BWP has a bandwidth of 20 MHz. The network device configuration UE1 sends PUCCH information in BWP1 and/or BWP2, that is, the uplink BWP set used by UE1 to transmit uplink PUCCH information includes BWP1 and BWP2. Similarly, the network device configures UE2 to transmit PUCCH at BWP1 and/or BWP2; the network device configures UE3 and UE4 to transmit PUCCH at BWP3 and/or BWP4. See Figure 5 for details.

In other implementation manners, the PUCCH resource configuration information includes an uplink BWP set sequence number, and the correspondence between the uplink BWP set sequence number and the included uplink BWP is as shown in Table 1 below.

Table 1

Upstream BWP set number	Upstream BWP included in the upstream BWP set
0	BWP1
1	BWP2
2	BWP3
3	BWP4
4	BWP1, BWP2
5	BWP1, BWP3
6	BWP1, BWP4
7	BWP2, BWP3
8	BWP2, BWP4
9	BWP3, BWP4
10	BWP1, BWP2, BWP3
11	BWP1, BWP2, BWP4
12	BWP1, BWP3, BWP4
13	BWP2, BWP3, BWP4
14	BWP1, BWP2, BWP3, BWP4

It should be noted that Table 1 is only used as an example, and a partial subset thereof may be selected as an available configuration set. For example, if the network device configures three activated 20 MHz uplink BWPs for the UE, the uplink is used for PUCCH information transmission. The correspondence between the BWP set sequence number and the uplink BWP included in the uplink BWP set is as shown in Table 2 below.

Table 2

Upstream BWP set number	Upstream BWP included in the upstream BWP set
0	BWP1
1	BWP2
2	BWP3
3	BWP1, BWP2
4	BWP1, BWP3
5	BWP2, BWP3
6	BWP1, BWP2, BWP3

In another embodiment, the network device may further configure more active uplink BWPs for the terminal device, for example, 8 active uplink BWPs. In this case, the table 2 may be further extended, which is not limited in the embodiment of the present application.

In another embodiment, the network device may configure different numbers of activated uplink BWPs for different terminal devices, the network device configures 3 activated 20 MHz uplink BWPs for UE1, and configures 2 activated 20 MHz uplink BWPs for UE2, which is UE3. The configuration of the four activated 20 MHz uplink BWPs is not limited in this embodiment of the present application. The same uplink BWP may exist in the activated uplink BWP set configured by the network device for each terminal device.

The PUCCH resource configuration information may include time domain information, that is, a subframe or a slot position where the PUCCH is located and a symbol position in a subframe or a time slot, in addition to indicating one or more candidate transmission frequency domain resource information; The location information of the candidate transmission frequency domain resource (the frequency domain resource location in the uplink BWP), for example, the resource interlace index, may also include orthogonal spreading code information, etc., which is not limited in this embodiment of the present application.

The location information of the candidate transmission frequency domain resource may be used to indicate that the candidate transmission frequency domain resource is the first sub-band or the first CC. For example, if the basic unit of the BWP is 20M, the location information of the candidate transmission frequency domain resource. It can be used to indicate that the BWP is the first subband in the large bandwidth carrier, or the first CC in the CA. In other embodiments, the location information of the candidate transmission frequency domain resource may also be used to indicate which frequency domain resources in a certain BWP are occupied, for example, which M frequency domain resources occupy a certain 20M BWP.

Based on the example shown in FIG. 5, the ACK/NACK information corresponding to subframe 1 and subframe 2 in the time domain is the last two orthogonal frequency division multiplexing (OFDM) symbols of subframe 5, and subframe 3 is used. The ACK/NACK information of the subframe 4 and the last 2 OFDM symbols of the subframe 6.

The foregoing PUCCH resource configuration information may be configured by the network device in a semi-static configuration; or may be dynamically indicated by the network device in the downlink control information sent to the terminal device, that is, carried in the downlink control information; This embodiment of the present application does not limit this. The downlink control information may be DCI (downlink control information) defined in the LTE system, or may be downlink control information of other names defined in the future communication system. In particular, the indication information of the foregoing uplink BWP set may be carried in the downlink control information.

In the case that the PUCCH resource configuration information directly indicates one or more candidate transmission frequency domain resources, the terminal device may directly determine the uplink BWP included in the BWP set number table.

In the case that the PUCCH resource configuration information indirectly indicates one or more candidate transmission frequency domain resources, the terminal device may calculate the corresponding BWP set sequence number from the PUCCH resource sequence number according to a preset formula, and check the table to determine the uplink BWP included therein.

In another embodiment, if the PUCCH resource configuration information further includes information other than the information indicating one or more candidate transmission frequency domain resources, the terminal device may further determine other information, such as time domain information, according to the PUCCH resource configuration information. , frequency domain resource location in the uplink BWP, orthogonal spreading code information, and the like.

In a possible implementation manner, the terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the downlink transmission resource.

The network device determines the correspondence between the downlink transmission resource and the candidate transmission frequency domain resource set while determining the downlink transmission resource for the terminal device, that is, the downlink transmission resource of the scheduled terminal device is bound to the uplink BWP set. The correspondence between the downlink transmission resource and the uplink BWP set information may be set by a protocol, and may be known by the network device and the terminal device, or may be set by the network device, and the corresponding relationship between the downlink transmission resource and the uplink BWP set is notified in advance. The terminal device, so that the terminal device can determine the uplink BWP set according to the correspondence relationship and the downlink transmission resource, if the downlink transmission resource is learned.

For example, the downlink transmission bandwidth allocated by UE1 in subframe 1 and subframe 2 includes BWP1 and BWP2, so UE1 includes BWP1 and BWP2 in the uplink BWP set corresponding to subframe 5; the downlink transmission bandwidth allocated by UE1 in subframe 3 and subframe 4 is only BWP1 is included, so the uplink BWP set corresponding to UE1 in subframe 6 contains only BWP 1. Similarly, the uplink BWP set corresponding to the subframe 2 and the subframe 6 of the UE2 only includes the BWP2; the uplink BWP set corresponding to the subframe 3 and the subframe 6 of the UE3 only includes the BWP3; and the uplink BWP set corresponding to the UE4 in the subframe 5 is only Including BWP4, the uplink BWP set corresponding to subframe 6 includes BWP3 and BWP4. See Figure 6.

The terminal device determines the uplink BWP set according to the learned downlink transmission resource and the correspondence between the downlink transmission resource and the uplink BWP set, that is, determines one or more candidate transmission frequency domain resources.

Step S402: Determine a transmission frequency domain resource used for PUCCH information transmission according to the interception result of the candidate transmission frequency domain resource.

During the idle state listening process of the uplink BWP included in the uplink BWP set, some uplink BWPs may be in an idle state, some uplink BWPs are in an occupied state, or all are in an idle state, or all are in an occupied state.

In a possible implementation manner, the listening result of all candidate transmission frequency domain resources is occupied, and the terminal device abandons the current PUCCH information transmission.

In a possible implementation manner, if the listening result of only one candidate transmission frequency domain resource in all candidate transmission frequency domain resources is an idle state, the terminal device determines the candidate transmission frequency domain resource in the idle state as the PUCCH information. The transmission frequency domain resource of the transmission.

In a possible implementation manner, the listening result of the candidate transmission frequency domain resources of at least two of the candidate transmission frequency domain resources is an idle state, and the terminal device transmits from the at least two candidates according to the identifier of the terminal device. A candidate transmission frequency domain resource is selected in the frequency domain resource and determined as a transmission frequency domain resource for PUCCH information transmission. For example, the terminal device determines the transmission frequency domain resource for the PUCCH information transmission from the at least two candidate transmission frequency domain resources according to the UE identifier (identification, ID), and assumes that the UE1 passes the LBT of both the BWP1 and the BWP2, and the number of available BWPs 2, UE1 modulo 2 with its own UE ID, and the remainder is 0 to determine BWP1 as the transmission frequency domain resource for PUCCH information transmission, and the remainder is 1 to determine BWP2 as the transmission frequency domain resource for PUCCH information transmission. . In other embodiments, the correspondence between the remainder and the transmission frequency domain resource determined for PUCCH information transmission may also adopt other manners. For example, if the remainder is 1, the BWP1 is determined as the transmission frequency used for PUCCH information transmission. The domain resource, with a remainder of 0, determines BWP2 as a transmission frequency domain resource for PUCCH information transmission. The correspondence between the specific remainder and the transmission frequency domain resource that is determined to be used for PUCCH information transmission is not limited in the embodiment of the present application.

It should be noted that the foregoing modulo is only used as an example in the manner of determining the remainder, and does not constitute a limitation on the embodiment of the present application. In actual applications, other transmissions for PUCCH information transmission may be determined according to the manner of the UE ID. Frequency domain resources.

In another embodiment, the terminal device may also autonomously randomly select one candidate transmission frequency domain resource from the at least two candidate transmission frequency domain resources, and determine it as a transmission frequency domain resource for PUCCH information transmission.

In the case of multiple candidate transmission frequency domain resources, the network device needs to receive PUCCH information on each BWP included in the candidate transmission frequency domain resource set, and the terminal device selects one candidate transmission frequency domain resource from the candidate transmission frequency domain resources, And determine it as a way to transmit frequency domain resources for PUCCH information transmission. The network equipment needs to perform blind detection, which may introduce additional delay.

In view of this, in a possible implementation manner, the terminal device determines the candidate transmission frequency domain resources of all idle states as the transmission frequency domain resources for PUCCH information transmission. In other words, when UE1 passes both LWTs of BWP1 and BWP2, and both BWP1 and BWP2 are determined as transmission frequency domain resources for PUCCH information transmission, UE1 repeatedly transmits PUCCH information on BWP1 and BWP2, that is, PUCCH information is transmitted on BWP1. Also sent on BWP2.

The PUCCH information is repeatedly transmitted on multiple BWPs. For the network device, the PUCCH information can be directly combined and received on each BWP included in the candidate transmission frequency domain resource set, which can improve the receiving efficiency of the network device. In other embodiments, the network device can still receive PUCCH information in a blind check manner.

The above-mentioned several possible implementation manners may be specifically implemented in the actual application, and may be configured by the network device for the terminal device, or the protocol is agreed, or the terminal device is set autonomously, and the specific implementation is not limited in the embodiment of the present application.

Step S403: transmitting PUCCH information by using the determined transmission frequency domain resource;

Specifically, the terminal device transmits the PUCCH information through the determined transmission frequency domain resource, for example, transmits the PUCCH information to the network device by using the determined transmission frequency domain resource.

If a transmission frequency domain resource is determined, PUCCH information is transmitted through the transmission frequency domain resource; if two or more transmission frequency domain resources are determined, PUCCH information is transmitted through the two or more transmission frequency domain resources .

In the embodiment described in FIG. 4, the terminal device performs idle state listening on the candidate transmission frequency domain resource after determining one or more candidate transmission frequency domain resources, and determines, for the PUCCH information transmission, according to the interception result. The frequency domain resource is transmitted, and finally the PUCCH information is transmitted through the determined transmission frequency domain resource, so that the uplink transmission by using the unlicensed spectrum can be realized, and the transmission efficiency can be improved.

FIG. 7 is a schematic flowchart diagram of another transmission method according to an embodiment of the present disclosure. The network device directly indicates one or more candidate transmission frequency domain resources by using PUCCH resource configuration information. The method is introduced from the perspective of interaction between the terminal device and the network device, and the method may include but is not limited to:

Step S501: The network device determines PUCCH resource configuration information for the terminal device.

The network device configures PUCCH resource configuration information for the terminal device, including indication information of one or more candidate transmission frequency domain resources, for indicating one or more candidate transmission frequency domain resources. The indication information may be directly indicating one or more candidate transmission frequency domain resources, for example, indicating an identifier of one or more BWPs, and then indicating, for example, an identifier of the BWP set, and the terminal device may identify the correspondence between the BWP and the included BWP by the set identifier. One or more candidate transmission frequency domain resources may be determined. The indication information may also be an indirect indication of one or more candidate transmission frequency domain resources.

In different embodiments, the network device may configure different numbers of activated uplink BWPs for different terminal devices, and the network device configures three activated 20 MHz uplink BWPs for UE1 and two activated 20 MHz uplink BWPs for UE2, which is UE3. The configuration of the four activated 20 MHz uplink BWPs is not limited in this embodiment of the present application. The same uplink BWP may exist in the activated uplink BWP set configured by the network device for each terminal device.

The PUCCH resource configuration information may include time domain information, that is, a subframe or a slot position where the PUCCH is located and a symbol position in a subframe or a time slot, in addition to indicating one or more candidate transmission frequency domain resource information; The location information of the candidate transmission frequency domain resource (the frequency domain resource location in the uplink BWP), for example, the interlace index, may also include orthogonal spreading code information, etc., which is not limited in this embodiment of the present application.

The location information of the candidate transmission frequency domain resource may be used to indicate that the candidate transmission frequency domain resource is the first sub-band or the first CC. For example, if the basic unit of the BWP is 20M, the location information of the candidate transmission frequency domain resource. It can be used to indicate that the BWP is the first subband in the large bandwidth carrier, or the first CC in the CA. In other embodiments, the location information of the candidate transmission frequency domain resource may also be used to indicate which frequency domain resources in a certain BWP are occupied, for example, which M frequency domain resources occupy a certain 20M BWP.

Step S502: The network device sends PUCCH resource configuration information to the terminal device.

The network device may send the foregoing PUCCH resource configuration information to the terminal device by using radio resource control (RRC) signaling, or may send the PUCCH resource configuration information to the terminal device by using the downlink control information, that is, dynamically indicating the foregoing by using the downlink control information. PUCCH resource configuration information; PUCCH resource configuration information may also be sent to the terminal device by other means.

Step S503: The terminal device determines one or more candidate transmission frequency domain resources used for PUCCH information transmission according to the PUCCH resource configuration information.

In a possible implementation manner, the terminal device determines, according to the uplink BWP set sequence number lookup table, the uplink BWP included in the uplink BWP set.

In a possible implementation manner, the terminal device may calculate a corresponding BWP set sequence number from the PUCCH resource sequence number according to a preset formula, and check the table to determine the uplink BWP included therein.

Step S504: The terminal device performs idle state listening on the candidate transmission frequency domain resource.

Step S505: The terminal device determines a transmission frequency domain resource used for PUCCH information transmission according to the interception result of the candidate transmission frequency domain resource.

Step S506: The terminal device transmits PUCCH information to the network device by using the determined transmission frequency domain resource.

For the specific implementation process of the step S504 to the step S506 in the embodiment shown in FIG. 7 , refer to step S401 to step S403 in the embodiment shown in FIG. 4 , and details are not described herein again.

In the embodiment described in FIG. 7, the terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the PUCCH resource configuration information, thereby implementing uplink transmission by using an unlicensed spectrum, thereby improving transmission efficiency.

FIG. 8 is a schematic flowchart of still another transmission method according to an embodiment of the present disclosure. The network device indirectly indicates one or more candidate transmission frequency domain resources by using a correspondence between a downlink transmission resource and an uplink BWP set. The method is introduced from the perspective of interaction between the terminal device and the network device, and the method may include but is not limited to:

Step S601: The network device determines a downlink transmission resource for the terminal device.

In this embodiment, the network device allocates a downlink transmission bandwidth for each uplink transmission subframe of the terminal device. For example, in FIG. 6, the downlink transmission bandwidth allocated by the network device to UE1 in subframe 1 and subframe 2 includes BWP1 and BWP2.

In other embodiments, the network device may configure a correspondence between the downlink transmission resource and the uplink BWP set, that is, one downlink transmission resource corresponds to one uplink BWP set. The correspondence between the downlink transmission resource and the uplink BWP set can also be set by a protocol.

Step S602: The terminal device acquires a downlink transmission resource.

In this embodiment, the terminal device may acquire the downlink transmission resource according to the configuration information of the downlink transmission resource sent by the network device. For example, the terminal device can receive downlink transmission resources from the network device.

In other implementations, the terminal device acquires or obtains a correspondence between the downlink transmission resource and the uplink BWP set according to the protocol.

Step S603: The terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the downlink transmission resource.

The terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the obtained downlink transmission resource and the correspondence between the downlink transmission resource and the uplink BWP set.

Step S604: The terminal device performs idle state listening on the candidate transmission frequency domain resource.

Step S605: The terminal device determines a transmission frequency domain resource used for PUCCH information transmission according to the interception result of the candidate transmission frequency domain resource.

Step S606: The terminal device transmits PUCCH information to the network device by using the determined transmission frequency domain resource.

For the specific implementation process of step S604 to step S606 in the embodiment shown in FIG. 8, reference may be made to step S401 to step S403 in the embodiment shown in FIG. 4, and details are not described herein again.

In the embodiment described in FIG. 8, the terminal device determines one or more candidate transmission frequency domain resources for PUCCH information transmission according to the downlink transmission resource and the binding relationship between the downlink transmission resource and the uplink BWP set, thereby implementing the utilization. Uplink transmission of unlicensed spectrum can improve transmission efficiency.

It should be noted that the embodiment corresponding to FIG. 7 and the embodiment corresponding to FIG. 8 are exemplarily illustrated from the direct indication and the indirect indication respectively, and the network device adopts a direct indication manner or an indirect indication manner in the present application. The various embodiments are not limited.

According to the foregoing method, FIG. 9 is a simplified schematic diagram of a device according to an embodiment of the present disclosure. As shown in FIG. 9, the device may be a terminal device 10, or may be a chip or a circuit, such as a chip or a circuit that can be disposed on the terminal device. . The terminal device 10 can correspond to the terminal device in the above method.

The device can include a processor 110 and a memory 120. The memory 120 is configured to store instructions, and the processor 110 is configured to execute the instructions stored in the memory 120 to implement step S401 and step S402 in the method corresponding to FIG. 4; step S503 and steps in the method corresponding to FIG. S504; Step S602 to Step S604 in the method corresponding to FIG.

Further, the device may further include a receiver 140 and a transmitter 150. Further, the device may further include a bus system 130, wherein the processor 110, the memory 120, the receiver 140, and the transmitter 150 may be connected by the bus system 130.

The processor 110 is configured to execute instructions stored by the memory 120 to control the receiver 140 to receive signals and control the transmitter 150 to transmit signals to complete the steps of the terminal device in the above method. The receiver 140 and the transmitter 150 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers. The memory 220 may be integrated in the processor 210 or may be provided separately from the processor 210.

As an implementation, the functions of the receiver 140 and the transmitter 150 can be implemented by a dedicated chip through a transceiver circuit or a transceiver. The processor 110 can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.

As another implementation manner, the terminal device provided by the embodiment of the present application may be implemented by using a general-purpose computer. The program code that is to implement the functions of the processor 110, the receiver 140 and the transmitter 150 is stored in a memory, and the general purpose processor implements the functions of the processor 110, the receiver 140 and the transmitter 150 by executing the code in the memory.

For the concepts, explanations, detailed descriptions, and other steps related to the technical solutions provided by the embodiments of the present application, refer to the descriptions of the foregoing methods or other embodiments, and no further details are provided herein.

FIG. 10 is a schematic structural diagram of a terminal device according to an embodiment of the present application. The terminal device can be adapted for use in the system shown in FIG. For the convenience of explanation, FIG. 10 shows only the main components of the terminal device. As shown in FIG. 10, the terminal device 10 includes a processor, a memory, a control circuit, an antenna, and an input and output device. The processor is mainly used for processing the communication protocol and the communication data, and controlling the entire terminal device, executing the software program, and processing the data of the software program, for example, in the embodiment of the indication method for supporting the terminal device to perform the foregoing transmission precoding matrix. The action described. Memory is primarily used to store software programs and data. The control circuit is mainly used for converting baseband signals and radio frequency signals and processing radio frequency signals. The control circuit together with the antenna can also be called a transceiver, and is mainly used for transmitting and receiving RF signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are primarily used to receive user input data and output data to the user.

After the terminal device is powered on, the processor can read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program. When the data needs to be transmitted by wireless, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal, and then sends the radio frequency signal to the outside through the antenna in the form of electromagnetic waves. When data is transmitted to the terminal device, the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor, which converts the baseband signal into data and processes the data.

Those skilled in the art will appreciate that FIG. 10 shows only one memory and processor for ease of illustration. In an actual terminal device, there may be multiple processors and memories. The memory may also be referred to as a storage medium or a storage device, and the like.

As an optional implementation manner, the processor may include a baseband processor and a central processing unit, and the baseband processor is mainly used to process the communication protocol and the communication data, and the central processing unit is mainly used to control and execute the entire terminal device. A software program that processes data from a software program. The processor in FIG. 10 integrates the functions of the baseband processor and the central processing unit. Those skilled in the art can understand that the baseband processor and the central processing unit can also be independent processors and interconnected by technologies such as a bus. Those skilled in the art will appreciate that the terminal device may include a plurality of baseband processors to accommodate different network standards, and the terminal device may include a plurality of central processors to enhance its processing capabilities, and various components of the terminal devices may be connected through various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit can also be expressed as a central processing circuit or a central processing chip. The functions of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to implement the baseband processing function.

Illustratively, in the application embodiment, the antenna and control circuit having the transceiving function can be regarded as the transceiving unit 101 of the terminal device 10, and the processor having the processing function can be regarded as the processing unit 102 of the terminal device 10. As shown in FIG. 10, the terminal device 10 includes a transceiver unit 101 and a processing unit 102. The transceiver unit can also be referred to as a transceiver, a transceiver, a transceiver, and the like. Optionally, the device for implementing the receiving function in the transceiver unit 101 can be regarded as a receiving unit, and the device for implementing the sending function in the transceiver unit 101 is regarded as a sending unit, that is, the transceiver unit 101 includes a receiving unit and a sending unit. The receiving unit may also be referred to as a receiver, a receiver, a receiving circuit, etc., and the transmitting unit may be referred to as a transmitter, a transmitter, or a transmitting circuit.

FIG. 11 is a simplified schematic diagram of a device according to an embodiment of the present disclosure. As shown in FIG. 11 , the device may be a network device 20 , or may be a chip or a circuit, such as a chip that can be disposed in a network device or Circuit. The network device 20 corresponds to the network device in the above method. The device can include a processor 210 and a memory 220. The memory 220 is used to store instructions, and the processor 210 is configured to execute the instructions stored in the memory 220, so that the device implements the step S501 in the foregoing method corresponding to FIG. 7; step S601 in the method corresponding to FIG. .

Further, the network may further include a receiver 240 and a transmitter 250. Still further, the network can also include a bus system 230.

The processor 210, the memory 220, the receiver 240 and the transmitter 250 are connected by a bus system 230, and the processor 210 is configured to execute instructions stored in the memory 220 to control the receiver 240 to receive signals and control the transmitter 250 to send signals. The steps of the network device in the above method are completed. The receiver 240 and the transmitter 250 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as transceivers. The memory 220 may be integrated in the processor 210 or may be provided separately from the processor 210.

As an implementation, the functions of the receiver 240 and the transmitter 250 can be implemented by a dedicated chip through a transceiver circuit or a transceiver. The processor 210 can be implemented by a dedicated processing chip, a processing circuit, a processor, or a general purpose chip.

As another implementation manner, a network device provided by an embodiment of the present application may be implemented by using a general-purpose computer. The program code that is to implement the functions of the processor 210, the receiver 240 and the transmitter 250 is stored in a memory, and the general purpose processor implements the functions of the processor 210, the receiver 240, and the transmitter 250 by executing code in the memory.

For the concepts, explanations, detailed descriptions and other steps related to the technical solutions provided by the embodiments of the present application, refer to the descriptions of the foregoing methods or other embodiments, and no further details are provided herein.

According to the foregoing method, FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present application, which may be a schematic structural diagram of a base station. As shown in FIG. 12, the base station can be applied to the system as shown in FIG. 1. The base station 20 includes one or more radio frequency units, such as a remote radio unit (RRU) 201 and one or more baseband units (BBUs) (also referred to as digital units, DUs) 202. . The RRU 201 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 2011 and a radio frequency unit 2012. The RRU 201 is mainly used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for transmitting the signaling messages described in the foregoing embodiments to the terminal device. The BBU 202 part is mainly used for performing baseband processing, controlling a base station, and the like. The RRU 201 and the BBU 202 may be physically disposed together or physically separated, that is, distributed base stations.

The BBU 202 is a control center of a base station, and may also be referred to as a processing unit, and is mainly used to perform baseband processing functions such as channel coding, multiplexing, modulation, spread spectrum, and the like. For example, the BBU (processing unit) can be used to control the base station to perform an operation procedure about the network device in the foregoing method embodiment.

In an example, the BBU 202 may be composed of one or more boards, and multiple boards may jointly support a single access standard radio access network (such as an LTE network), or may separately support different access modes of wireless. Access Network. The BBU 202 also includes a memory 2021 and a processor 2022. The memory 2021 is used to store necessary instructions and data. For example, the memory 2021 stores preset information, a codebook, and the like in the above embodiment. The processor 2022 is configured to control the base station to perform necessary actions, for example, to control the base station to perform an operation procedure about the network device in the foregoing method embodiment. The memory 2021 and the processor 2022 can serve one or more boards. That is, the memory and processor can be individually set on each board. It is also possible that multiple boards share the same memory and processor. In addition, the necessary circuits can be set on each board.

According to the method provided by the embodiment of the present application, the embodiment of the present application further provides a communication system, including the foregoing network device and one or more terminal devices.

It should be understood that, in the embodiment of the present application, the processor may be a central processing unit ("CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration. An electrical circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like.

The memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.

The bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, the various buses are labeled as bus systems in the figure.

In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. The steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the processor. The software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.

It is also to be understood that the first, second, third, fourth, and various reference numerals are in the

It should be understood that the term "and/or" herein is merely an association relationship describing an associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and A and B exist simultaneously. There are three cases of B alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.

It should be understood that, in the various embodiments of the present application, the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application. The implementation process constitutes any limitation.

Those of ordinary skill in the art will appreciate that the various illustrative logical blocks and steps described in connection with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. achieve. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.

A person skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding process in the foregoing method embodiment, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are generated in whole or in part. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.). The computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media. The usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital video disk (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)). )Wait.

The foregoing is only a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application. It should be covered by the scope of protection of this application. Therefore, the scope of protection of the present application should be determined by the scope of the claims.

Claims (18)

1. A transmission method, comprising:

   The terminal device performs idle state listening on one or more candidate transmission frequency domain resources, where the candidate transmission frequency domain resource is used for physical uplink control channel PUCCH information transmission;

   Determining, by the terminal device, a transmission frequency domain resource used for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource;

   The terminal device transmits PUCCH information through the determined transmission frequency domain resource.
2. The method of claim 1 wherein the method further comprises:

   The terminal device determines the one or more candidate transmission frequency domain resources.
3. The method according to claim 2, wherein the determining, by the terminal device, the one or more candidate transmission frequency domain resources comprises:

   The terminal device determines the one or more candidate transmission frequency domain resources according to the PUCCH resource configuration information, where the PUCCH resource configuration information is used to indicate the one or more candidate transmission frequency domain resources.
4. The method according to claim 2, wherein the determining, by the terminal device, the one or more candidate transmission frequency domain resources comprises:

   The terminal device determines the one or more candidate transmission frequency domain resources according to downlink transmission resources.
5. The method according to any one of claims 1-4, wherein the terminal device determines a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, including:

   If it is detected that a candidate transmission frequency domain resource is in an idle state, the terminal device determines the one candidate transmission frequency domain resource as a transmission frequency domain resource used for PUCCH information transmission.
6. The method according to any one of claims 1-4, wherein the terminal device determines a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, including:

   If the at least two candidate transmission frequency domain resources are in an idle state, the terminal device selects one candidate transmission frequency domain resource from the at least two candidate transmission frequency domain resources according to the identifier of the terminal device, and It is determined to be a transmission frequency domain resource for PUCCH information transmission.
7. The method according to any one of claims 1-4, wherein the terminal device determines a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, including:

   The terminal device determines candidate transmission frequency domain resources of all idle states as transmission frequency domain resources for PUCCH information transmission.
8. A terminal device, comprising: a processor and a transceiver;

   The processor is configured to perform idle state listening on one or more candidate transmission frequency domain resources, where the candidate transmission frequency domain resources are used for PUCCH information transmission;

   The processor is further configured to determine, according to the interception result of the candidate transmission frequency domain resource, a transmission frequency domain resource used for PUCCH information transmission;

   The transceiver is configured to transmit PUCCH information by using the determined transmission frequency domain resource.
9. The terminal device according to claim 8, wherein the processor is further configured to determine the one or more candidate transmission frequency domain resources.
10. The terminal device according to claim 9, wherein the processor is configured to determine the one or more candidate transmissions according to PUCCH resource configuration information when the processor is configured to determine the one or more candidate transmission frequency domain resources. a frequency domain resource, where the PUCCH resource configuration information is used to indicate the one or more candidate transmission frequency domain resources.
11. The terminal device according to claim 9, wherein the processor is configured to determine the one or more candidate transmission frequencies according to downlink transmission resources when the one or more candidate transmission frequency domain resources are used. Domain resource.
12. The terminal device according to any one of claims 8 to 11, wherein the processor is configured to: when determining a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, For determining that a candidate transmission frequency domain resource is in an idle state, determining the one candidate transmission frequency domain resource as a transmission frequency domain resource for PUCCH information transmission.
13. The terminal device according to any one of claims 8 to 11, wherein the processor is configured to: when determining a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, And if the at least two candidate transmission frequency domain resources are in an idle state, the candidate transmission frequency domain resource is selected from the at least two candidate transmission frequency domain resources according to the identifier of the terminal device, and is determined. It is a transmission frequency domain resource used for PUCCH information transmission.
14. The terminal device according to any one of claims 8 to 11, wherein the processor is configured to: when determining a transmission frequency domain resource for PUCCH information transmission according to a sounding result of the candidate transmission frequency domain resource, It is used to determine candidate transmission frequency domain resources of all idle states as transmission frequency domain resources for PUCCH information transmission.
15. A terminal device, comprising: a memory and one or more processors, the memory being coupled to the one or more processors, the one or more processors for performing the claim 1-7. The method of any of clauses.
16. A terminal device, characterized in that the terminal device comprises one or more processors, the one or more processors being coupled to a memory, reading instructions in the memory and performing the claims according to the instructions 1-7. The method of any of clauses.
17. A computer readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method of any of claims 1-7.
18. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-7.

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